... ISO9001 quality system.Parameters Pressure level,PN64Nominal diameter,DN20Seal property,gas leakage≤1×10-15 MPa·m3/sOperating temperature,-40°C~80 ... °CImpact resistance,500m/s2 11ms Operating life,5000 times Material & connection Valve body,LY12-CZValve ... (LY12-CZ),O-ring,Plastic protection caps,Meter connector,Inflatable valve high pressure Self-sealing ...